<!DOCTYPE html> 
<html lang="en"> 
<head> 
<meta charset="UTF-8"> 
<meta name="viewport" content="width=device-width, initial-scale=1.0"> 
<title>示例 8 </title> 
<script> 
// 代码 1：不完全解构 
let [x, y] = [1, 2, 3]; 
console.log(x, y); //1 2 
// 代码 2：嵌套数组不完全解构 
let [a, [b], c] = [1, [2, 3], 4]; 
console.log(a, b, c); //1 2 4 
// 代码 3：跳过元素 
let [i, , j] = [1, 2, 3]; 
 console.log(i, j); //1 3 
 </script> 
 </head> 
 <body></body> 
 </html> 